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Member Since: December 14, 2010

Country: United States

  • Using that same logic you would also have to say that the gyro does not qualify, as it creates data that could be derived from the accelerometer. While a gyro/accelerometer combo can be used for dead reckoning, it would accumulate errors overtime that would it useless as a heading reference. <br />
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    The accelerometer directly measures translational acceleration in 3DOF, the gyro directly measures angular velocity in 3DOF, and the magnetometer directly measures absolute heading in 3DOF, hence 9DOF.

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